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The Prediction Markets WebSocket API provides public market data and authenticated account updates.

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Connection

Use one connection for the channels of the selected product. Prediction Markets uses pred.*; Event Contracts uses ec.*.

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Channel groups

  • Public channels: pred.trades, pred.depth, pred.bbo, pred.status, pred.cpi, pred.candlestick, and pred.oc_price
  • Private channels: pred.orders, pred.usertrades, pred.positions, and pred.settlements
Public channels do not require authentication. Private channels require an API Key signature. See WebSocket Protocol, Public Channels, and Private Channels.